Cable mounting block



FIG. 1 is a front, top and right side perspective view of a cable mounting block showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view; and

FIGS. 6 and 7 are, respectively, front and rear elevational views thereof. 

The ornamental design for a cable mounting block, as shown and described. 